Fog Lamps Always On. Chevrolet PJJ 2001

For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
1 | Did you perform the Diagnostic System Check - Lighting Systems? | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems
2 | Disconnect the fog lamp switch. Did the fog lamps turn off? | Go to Step 3 | Go to Step 4
3 | Replace the fog lamp switch. Refer to Fog Lamp Switch Replacement . Is the repair complete? | System OK | --
4 | Test the foglamp switch control circuit for short to battery voltage. Refer to Circuit Testing in Wiring Systems. Is the foglamp switch control circuit shorted to battery voltage? | Go to Step 5 | Go to Step 6
5 | Repair the short to battery voltage in the fog lamp switch control circuit. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | System OK | --
6 | Remove the fog lamp relay. Did the fog lamps turn off? | Go to Step 7 | Go to Step 8
7 | Replace the fog lamp relay. Refer to Fog Lamp Relay Replacement . Do the fog lamps operate? | System OK | --
8 | Repair the short to battery voltage in the fog lamp feed circuit. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | System OK | --